Home / 51,039.32-70,432.94-28,377.14

Finding the Fourth Proportional to 51,039.32, 70,432.94 and 28,377.14

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Solution

The fourth proportional to 51,039.32, 70,432.94 and 28,377.14 is: 39,159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,039.32 : 70,432.94 = 28,377.14 : x
  2. Step 2: Convert to fraction form
    51,039.32/70,432.94 = 28,377.14/x
  3. Step 3: Cross multiply
    51,039.32x = 70,432.94 × 28,377.14
  4. Step 4: Simplify right side
    51,039.32x = 1,998,685,117.77
  5. Step 5: Solve for x
    x = 1,998,685,117.77/51,039.32
  6. Step 6: Final answer
    x = 39,159.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.